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Tracking the spread of the northern bark beetle (Ips duplicatus [Sahlb.]) in Europe and first records from Switzerland and Liechtenstein

by: Wermelinger, Beat; Schneider Mathis, Doris; Knížek, Miloš; Forster, Beat

Publication date: 2020-9-2
Usage: Attribution 4.0 International
Topics: double-spined bark beetle, global change, invasive species, range expansion, timber transport
Publisher: Pensoft Publishers
Collection: biodiversity
Contributor: Pensoft Publishers
Language: English
Rights: https://biodiversitylibrary.org/permissions
Rights-holder: Copyright held by individual article author(s).
Volume: 4
Item Size: 11.7M

Abstract: The northern bark beetle (Ips duplicatus), in Europe originally restricted to northern countries, expanded its distribution range to eastern Europe in the 20th century and is now causing considerable damage in spruce forests. In the past decades its presence has been confirmed in several Central European countries.
By means of pheromone traps and visual inspection of infested logs, in this study we demonstrate that I. duplicatus is also present in the Rhine valley in Switzerland and Liechtenstein. Breeding galleries with beetles and exit holes in an infested spruce log indicate that the trapped beetles had successfully developed in a local stand nearby.
An inquiry addressed to European entomologists was carried out to obtain information and references concerning the year of the first record or mention of I. duplicatus in their respective countries. This information substantiated the expansion of its historical range to the southeast in the middle of the last century and clearly showed recent movement westward, with Switzerland and Germany currently the westernmost countries where this species occurs. This recent range expansion is likely attributed to the transport of infested timber. The economic significance of this expanding bark beetle species is discussed in view of its co-occurrence with the notorious pest species I. typographus.
Addeddate: 2025-05-15 07:02:06
Bhl_virtual_titleid: 210888
Bhl_virtual_volume: v.4 (2020)
Call number: 10_3897_alpento_4_53808
Call-number: 10_3897_alpento_4_53808
Foldoutcount: 0
Genre: article
Identifier: trackingspreadn4werm
Identifier-ark: ark:/13960/s20spgqhtv8
Identifier-bib: 10_3897_alpento_4_53808
Identifier-doi: 10.3897/alpento.4.53808
Ocr: tesseract 5.3.0-6-g76ae
Ocr_detected_lang: en
Ocr_detected_lang_conf: 1.0000
Ocr_detected_script: Latin
Ocr_detected_script_conf: 1.0000
Ocr_module_version: 0.0.21
Ocr_parameters: -l eng
Page_number_confidence: 72
Page_number_module_version: 1.0.5
Page_range: 179-184
Pages: 6
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Possible copyright status: In copyright. Digitized with the permission of the rights holder.
Ppi: 300
Source: Alpine Entomology 4
Year: 2020